Potosi, Bolivia, cob 8 reales, Philip III, assayer not visible, Grade 3, hand-signed photo-certificate from 1982. KM-10. 16.01 grams. Thin from corrosion but with full shield and cross (the latter doubled), toned all over, early certificate. With hand-signed Fisher photo-certificate #RC47 dated December 22, 1982. Recovered from: Atocha, sunk in 1622 west of Key West, Florida (Estimate: $200 - 300)